POKEMARKET
BETATHE POKEMON CARD TERMINAL
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Price & Volume History
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Market
Market data via eBay
Last Sale
$389
72 days ago
Price Estimate
$292
MODELED
Buy It Now
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No active listings
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3% off ATH$303 · SEP '26
Price Confidence:Modeled · Set
Sales
Sales
10 sales · Nov 15 2021 – Jul 3 2026
2026-07-03$389eBay
2000 Pokemon Gym Heroes #21 Brock’s Onix PSA 10 21/132 [eBay]
2026-03-14$132eBay
PSA 10 Brock's Onix Gym Heroes 21/132 Unlimited Pokemon Card GEM MINT [eBay]
2026-01-06$122eBay
2000 Pokémon Gym Heroes Brock's Onix #21 PSA 10 Vintage WOTC [eBay]
2025-05-22$90eBay
2000 Pokemon Gym Heroes Brock’s Onix 21/132 PSA 10 RARE!! [eBay]
2025-02-02$80eBay
2000 POKEMON GYM HEROES #21 BROCK'S ONIX PSA 10 #21 [eBay]
2024-09-09$96eBay
2000 Pokémon Gym Heroes 21/132 Brock's Onix #21 PSA 10 Vintage WOTC Pop 19 [eBay]
2023-11-27$70eBay
2000 Pokemon Gym Heroes Brock's Onix #21/132 PSA 10 GEM MINT LOW POP [eBay]
2022-10-08$45eBay
PSA 10 2000 Gym Heroes Brock's Onix 21/132 Pokemon Card [eBay]
2022-01-01$37eBay
Pokemon Gym Heroes Brock’s Onix Non-Holo 21/132 PSA 10 GEM MINT!!! [eBay]
2021-11-15$104eBay
PSA 10 Gem MINT Brock's Onix 2000 Pokemon Gym Heroes 21/132 [eBay]
Grading
Snapshot
Key Metrics · Grading Activity
| Percentile vs. | ||||
|---|---|---|---|---|
| Metric | Value | Set | Era | All |
| Value / CopyPSA 10 price divided by how many PSA 10 copies exist. Roughly: how much value rides on each perfect copy. | $13 | 60 | — | — |
| Gem RateOf every copy PSA has ever graded, the share that came back a perfect 10. | 17.5% | 38 | 53 | 54 |
| Gem Premium (10:9)How much more a PSA 10 costs than a PSA 9 of this card. 2.5× means the perfect copy sells for 2.5 times the near-perfect one. | 4.6× | 30 | 35 | 30 |
| Vs ExpectedThis card's price vs what you'd expect for a card with its PSA 10 population in its era. 9× means the market pays nine times what rarity alone explains — collector demand. Below 1× means it's cheaper than its scarcity suggests. | 0.4× | 50 | 36 | 30 |
1022
Total: 126
Gem Rate: 17.5%
Cumulative Grading
All Grades
126 total graded · click to change view
▍ PSA
▍ Raw
▍ Other Grades
